Search a number
-
+
53143033121 = 3110331659527
BaseRepresentation
bin110001011111100100…
…100101010100100001
312002011121222210111222
4301133210211110201
51332314104024441
640225155344425
73560635220423
oct613744452441
9162147883458
1053143033121
11205a0947392
12a3715b2115
13501bc84039
142801d2a813
1515b078dd4b
hexc5f925521

53143033121 has 8 divisors (see below), whose sum is σ = 54910462464. Its totient is φ = 51378924960.

The previous prime is 53143033091. The next prime is 53143033123. The reversal of 53143033121 is 12133034135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53143033121 - 226 = 53075924257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53143033123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 797741 + ... + 861786.

It is an arithmetic number, because the mean of its divisors is an integer number (6863807808).

Almost surely, 253143033121 is an apocalyptic number.

It is an amenable number.

53143033121 is a deficient number, since it is larger than the sum of its proper divisors (1767429343).

53143033121 is a wasteful number, since it uses less digits than its factorization.

53143033121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1660591.

The product of its (nonzero) digits is 3240, while the sum is 26.

Adding to 53143033121 its reverse (12133034135), we get a palindrome (65276067256).

The spelling of 53143033121 in words is "fifty-three billion, one hundred forty-three million, thirty-three thousand, one hundred twenty-one".

Divisors: 1 31 1033 32023 1659527 51445337 1714291391 53143033121